Ignition device.



H. R. VAN DEVENTER.

lGNlTlON DEVICE.

AFPUCATION FILED FEB. 21. 1916.

Patented Oct. 24, 1916.

-- drawings forming a. part'of this specification, and more particularly .speclfied inthe subjoined claims.

Y Toall'whom it may concern,

Be it known that I, HARRY RAnnoLPH' VAN Dnvnn'rnn, a citizen of the United!- .Es STAT S new OFFIGE- nAnnY'nAnnoLrn van nnvnn'rnn, or sun'rnn, scorn CAROLINA, ASSIGNOR To srmrnonr ELECTRICAL COMPANY, or NEWARK, NEW JERSEY, ACORPORATION on NEW JERSEY.

IGNITION DEVICE,

- States, residing at Sumter, in-the county of Sumter and State of South Carolina, have invented certain new and useful Improvements'in Ignition Devices, of which the following is a specification, reference being had to the accompanying drawing.

My invention relates to ignition devices for internal combustion engines, and the object of my invention is to provide a simple and convenient device for mounting adjacent the cylinder an electric generator and igniter and operating said magneto and igniter directly from a'push rod actuated by the engine piston, thereby eliminating the geared or cam-operated push rods heretofore used. Y

Another object of vide means for operating any suitable type of oscillating magneto by a push rod di used, in another application filed concurrently herewith. A further object is to provlde a slmple and efficient means for advancing and re- 7 tarding the magneto' and igniter-ln unison,

My improvement consists'in the combina-' tion and arrangement of parts hereinafterdescribed, shown. in ,theaccompanying in sectionof the supporting bracket carrying the generator, hereinafter called a mag- :neto, and the igniter, and secured to the end of the engine cylinder. Fig. 2 is a view showing the relationof the arm on the movable electrode to the cam face on push rod. Fig. 3 is a view showing the position of the electrodes of the make and break igniter with their contact points/within the engine cylinder. i p s Like figures of reference denete the same parts wherever they are shown.

In the prior art it has been customary tov incimt-the magneto and igniter on the same taste-a. Such an arrangement is Shown in specification, of Letters Patent.

my invention is to pro-.

15, 1906, which is an early patent in this art; It Wlll be observed from this patent Patented Oct. 24, 1916. Application filed February 21, 1916. ,Serial No. 79,652.,

i U. S. Patent No. 820,535 to Weber, of May v I and others that the means for operating the magneto and igniter includes a push rod or other device operated from some external moving part of the engine by gears, or cams, and that said push rod is usually mounted onthe engine, forming apart thereof independent of the magneto, the igniter, or their supports. e

Itis obvious that such actuating means is liable to disarrangement through wear, mis= adjustment, or abuse; and in most forms is comparatively complicated. and expensive, and to eliminate this operating mechanism I mount the bracket 9, which may form the igniter body and a shelf-like support of the magneto,"directly on the end ,of the engine cylinder to which it is attached by being threaded therein, as shown, or by being bolted thereon in any suitable manner. It'is obvious that 9 may be in more than one piece, or the magneto and igniter may have separate supports, also they may be mounted on some portion of the engine other than the cylinder, so as to bear the proper relation to the latter.

Onthe shelf portion of the bracket is secured an ordinary single vertical springoscillating type of magneto designated by the numeral 10, and in theflange portion is -1nou'nted the; stationary electrode lsuitably insulated from 9, and the movable electrode 2 forming the usual make and break igniter.-

- The -movable electrode 2 is free to turn in the usual manner, and is held in place within the flange by the cap 13 and compression The push rod 3 is free to slide in the flange.

and is held in place by the tension-spring 14:, one end of which is held by the screw pin 17 and the other end by the cap 4,;"which is secured to the pushrod 3 by, means of 'a set; screw '19. Thepush-rodfi -is kept in proper position imrelation to the piston by spring 15, thecap being secured to the 'stem of 2 and the spring wound in such adirection as to keep the igniter points normally.

closed.

the-washer .8 iivhich is WWW it 9 t pin 8 thereto, working in a-slot 22 in'the push rod 3.- Thepushrod is threaded for a distance as shown in Fig. 1, and the nut 6 runs on this threaded portion; A. handle 6 is att-ached to this nut, which is secured to the member 5 by means of set screws 12 Working in a groove out partially around 6 and thereby not interfering with the turning 26 of 6 on the threads on From. this it is ohvious that the push rod 3 can be either lengthened or shortened by turning the handlc 6 in either direction, which action moves the member 7 either out from cylinder or in toward it, by reason of nut 6 traveling along the threads of This'lengthens or shortens the push rod 3 Without however varying the normal position of the inner end of same in relation to the piston, or in any Way ai'i'ect- 30 ing the effective stroke of the latch 11; In order to lock this mechanism, a nut 5 is pro vided wit a handle 6 Wherebyit may be turned against 6 thereby locking 6 in any position on the threads of 3. p

3 5 The push rod mechanism is operated While the piston 23 is traveling between the points on the lines A and B, Fig. '1, Nhen the piston reaches the center line B on its up Ward strokes, it engages the end of 3 and ",K0 pushes it through the distance B, A. When j the piston starts to return on its downward.

stroke the spring 14 causes the push rod 3 to follow the piston, and 3 assumes its normal. position, as shown in Fig. 1. When push .5 rod starts; outward, the latch 11 engages the dog 21 of the magneto 10-and carries the dog in the direction of the arrow untilthe dog is released at the point on. line D, whereupon the dog flies back to its original position,

59 during which'tinie the magneto generates.

At rest, the latch i1 is tortheright of line C,

'and out of the Way of the return oscillation At the instant of the release-of the dog 21 55 by the catch 11, the sioping-iiace of the earn 7 comes in contact With the arm 13 attached to the cap 13, which is rigidly secured to the stenrof thenfovableelectrode 2. This 1 lifts in the drrcction or the arrow, 1 as Fig. 2, thereby separ ting. the electrode points in. theeng are c'yi Meier in proper time the operation the When '1: o'i' 3 is on, ts i urn-stroke and push rod: 3I' to its rsion pri g-is hrings which the tripping of the magneto and theseparation of the i gniter points can be caused to occur sooner or later must be provided, and this is aiicomplished by turning the nut .6' in the desired direction, thereby causing the member 7 to move along the threads on push rod 3, thereby making the'catch 11 engage the dog 21 sooner or later desired; and that'this also brings the cam face or" '7 nearer 13 thereby operating the igniter in unison time-with the tripping of the anagneto.

, it will be seen from the foregoing rlcscri 'ition that I have eliminated all of the usual side rod halfvtiine conncctionsor geared devices heretofore used for operating a magneto and igniter in unison, and that I operdte said devices directly from the engine piston, therebj eliminating many of the disadvantages due to Wear in many moving parts heretofore used; and While I show the magneto and igniterinountedcn aninte'gral bracket, it is obvious that these parts may be mounted on separate brackets adjacent each other and the same results accomplished. It is al o obvious that the magneto maybe mounted on the end of the engine cylinder and operated independent of the igniter, the latter being operated by any well known means and located at some other part of the cylinder if said generator and ignlter.

i 2, In combination, an engine cylinder, an

a electric generator mounted thereon, an. 1g-

niter in said cylinder, a piston therein, and means engaging said piston for actuating said generator and'HgPiton- 3. in combination, an engine cylinder, an electric generator adjacent thereto, an ignite! in said cylinder, a piston in said cylinder, and means extegiding through the wall -oi. said cylinder engaging piston and actuatingsaid generator and igniter.

i. In coinhinatiomnn interned combustion engine, a member comprising an ignite;

necessary. It is also clear that other means lGi i to actuate said generator and igniter, and means on said rodfor varying the time of I body and generator. support secured thereto,

a make and break igniter carried by said member, an electric generator carried by said member, a piston within the engine cylinder, and means engaging said piston for actuating said generator and igniter.

5. In combination, an internal combustion engine, a member comprising an igniter body and generator support secured thereto, a make and break igniter carried bysaid member, an' electric said member, a-piston Within the engine cylinder, means engaging said piston for-actuating said generator and igniter, and means for varying the timing of the actuation of said generator and igniter.

6. In combination, an engine cylinder, an

electric generator adjacent thereto, a make and breakigniter, a p1ston 1n said cylinder,

a push rod extending through said cylinder wall and adapted to engage said piston and actuation of said generator and igniter in unison, substantiallyas describe f 7. In combinatioman engine cylinder, a piston therein, an electric generator adjacent thereto, a makeand break igniter, means extending through said cylinder yvall and engaging said piston for actuating said generator and igniter, said means including apush rod, andlneans for returning said push rod'to'normal position after its actuation by said piston, substantially as described. n

8. In combination, an engine cylinder, a

piston therein, an electric generator adapted to be oscillated, a make and break igniter, a unitary bracket supporting said generator andigniter. in positive mechanical relation to each other, means for actuatingsaid generator and igniter supported by said bracket and extending into said' engine cylinder and adapted to be engaged by the piston the piston therein, and. means coacting. with said actuating means whereby sald generator is trippedonly by the outward stroke 4/ 3 Copies of this patent may be obtained tor die .eents each,

' wuhington. D. 0.",

piston therein, an

and break igniter, a unitary bracket sup porting said generator and igniter, means for actuating said generator and igniter extending into said engine cylinder and adapted to be engaged by said piston,

means for rpstoring said actuating means generator carried by I to normal position, and means for preventactuating means on the return of, substantially as described.

10. In-cnmbination,

stroke thereelectric generator, a spring-controlled trip device for oscillating the. moving) element of said generator, a make and reak igniter, a unitary bracket supporting said generator and igniter, an actuator extending into said engine cylinder and adapted to be engaged by the piston therein, means for returning said actuator to its normal position after each outward stroke thereof, andmeans carried by said actuator whereby the time of engagement with said trip device may be varied Without varying the position of said actuator in relation to said scribed.

11. In combination, an electric. generator,

spring means including a trip device for ossubstantially as de an engine cylinder, a

I p1ston,'substantia1ly as desupporting said generator and igniter,- an

actuator for said generator and igniter carried by said bracket and adapted'to beactuated byan engine piston, adjustable tlming means interposed between said actuator and said igniter for'varying the timing of' .the latter, and means operated in unison' with said timing means foroperating'said trip device, substantially as described.

7 In testimony whereof I hereunto aiiix my signature. v

I HARRY'RANDbLPH VIN DEVENTER.

by addressing the Commissioner of Iltentl, 

